/ɪk'skɜ:ʃn; [US] ʒn; ɪk`skɝʒən/
n
(a) short journey, esp one made by a group of people together for pleasure 短程旅行; 远足
*go on/make a day excursion to the mountains, ie there and back in one day 到山上游玩一天
* Many excursions had been arranged by the holiday company. 短程旅游原先多由度假服务公司安排的.
* [attrib 作定语] an excursion train 游览火车
* an excursion ticket, ie one issued at a reduced fare 旅游特惠票.
(b) short journey made for a particular purpose 短途行程
*a shopping excursion 购物之行. =>Usage at journey 用法见journey.

n[C]
[Date: 1500-1600; Language: Latin;Origin: excursio, from excurrere 'to run out']
a short journey arranged so that a group of people can visit a place, especially while they are on holiday
excursion to
　Included in the tour is an excursion to the Grand Canyon.
on an excursion
　We went on an excursion to the Pyramids.
a short journey made for a particular purpose
= trip
　a shopping excursion
excursion into sth
formal an attempt to experience or learn about something that is new to you
　the company's excursion into new markets